阅读说明：本技术 一种耐磨鞋底材料的制备方法 (Preparation method of wear-resistant sole material ) 是由 李银冰 于 2020-06-19 设计创作，主要内容包括：本发明涉及一种耐磨鞋底材料的制备方法,包括丁晴橡胶和钨钴合金颗粒,所述耐磨鞋底材料的制备方法包括以下步骤：将丁晴橡胶经过开炼机、延压机进行混炼,时间为1小时,制得胶料,将胶料进行平板硫化机硫化,选用热硫化法在加热的同时加压,获得结构致密、无气泡,且表面光滑的橡胶制品；将钨粉称量,推入常规碳化设备中通入氢气进行低温1400摄氏度碳化、清刷、破碎、筛分制备碳化钨粉末,在直热四管电炉内600摄氏度下利用氢气还原氧化钴制备钴粉,将还原后的钴粉经过筛分机筛分(100-200目),最后将制备的碳化钨粉末和钴粉通过二氧化碳气体密封存放；将碳化钨粉末和钴粉进行混合,并将其倒入滚动球磨机,加入酒精湿磨介质进行滚动球磨。(The invention relates to a preparation method of a wear-resistant sole material, which comprises nitrile butadiene rubber and tungsten-cobalt alloy particles, and comprises the following steps: mixing nitrile rubber by an open mill and a calendering machine for 1 hour to prepare a rubber material, vulcanizing the rubber material by a flat vulcanizing machine, heating and pressurizing by a hot vulcanization method to obtain a rubber product with compact structure, no bubbles and smooth surface; weighing tungsten powder, pushing the tungsten powder into conventional carbonization equipment, introducing hydrogen to carry out carbonization at the low temperature of 1400 ℃, brushing, crushing and screening to prepare tungsten carbide powder, reducing cobalt oxide by utilizing the hydrogen in a direct-heating four-tube electric furnace at the temperature of 600 ℃ to prepare cobalt powder, screening the reduced cobalt powder by a screening machine (100 meshes and 200 meshes), and finally sealing and storing the prepared tungsten carbide powder and the cobalt powder by carbon dioxide; mixing tungsten carbide powder and cobalt powder, pouring the mixture into a rolling ball mill, and adding an alcohol wet grinding medium for rolling ball milling.)

1. A preparation method of a wear-resistant sole material comprises nitrile butadiene rubber and tungsten-cobalt alloy particles, and is characterized in that:

the preparation method of the wear-resistant sole material comprises the following steps:

mixing nitrile rubber by an open mill and a calendering machine for 1 hour to prepare a rubber material, vulcanizing the rubber material by a flat vulcanizing machine, heating and pressurizing by a hot vulcanization method to obtain a rubber product with compact structure, no bubbles and smooth surface;

weighing tungsten powder, pushing the tungsten powder into conventional carbonization equipment, introducing hydrogen to carry out carbonization at the low temperature of 1400 ℃, brushing, crushing and screening to prepare tungsten carbide powder, reducing cobalt oxide by utilizing the hydrogen in a direct-heating four-tube electric furnace at the temperature of 600 ℃ to prepare cobalt powder, screening the reduced cobalt powder by a screening machine (100 meshes and 200 meshes), and finally sealing and storing the prepared tungsten carbide powder and the cobalt powder by carbon dioxide;

mixing tungsten carbide powder and cobalt powder, pouring the mixture into a rolling ball mill, adding an alcohol wet grinding medium for rolling ball milling, controlling the rotating speed of the rolling ball mill at a critical point of 60-75%, wherein the grinding time is 16-22 hours, the ball-material ratio is 3:1:5:1, the ball diameter is 5-10 mm, the liquid-solid ratio is 500 ml per kg, pumping the mixed slurry after wet grinding into a spray drying tower for drying, and sieving the dried slurry (50-80 meshes);

cutting the hard alloy by an alloy finished product cutter, repairing a special length cutter, crushing by an alloy universal crusher to ensure that the grain diameter of the hard alloy reaches 12-20 meshes, heating the surface of alloy particles to 1200 ℃ at the critical transition temperature lower than the melting point at the speed of 1012 ℃ per second by using a cross flow carbon dioxide laser, and rapidly quenching at the speed of 106 ℃ to ensure that fine alloy carbide is separated out to the surface of an alloy matrix to ensure that the alloy matrix presents a firmly combined composite material coating;

cleaning the surface of the alloy particles by using acetone, removing oil stains, naturally airing for 10-30 minutes, removing rust on the surface of the alloy particles by adopting a sand blasting process, uniformly coating a polyisocyanate adhesive on the surface of the alloy particles, drying for 30-40 minutes under the conditions that the temperature is 15-30 ℃ and the relative humidity of air is not more than 75%, and repeating the operation once on the surface of the alloy particles, wherein the thickness of the coating of the adhesive is 50 mm;

alloy particles after the doping treatment in the vulcanization of the latex are generally mixed in the forefoot and heel outer sides, and the alloy particles are doped in a proportion of 10 g per shoe sole.

2. The method for preparing a wear-resistant sole material according to claim 1, wherein: before the alloy particles are combined with the butadiene-acrylonitrile rubber, the surfaces of the alloy particles are modified by carbon dioxide laser, and the surfaces of the alloy particles are subjected to surface treatment by a sand blasting process, so that certain cleanliness and roughness of the surfaces of the alloy particles are obtained.

3. The method for preparing a wear-resistant sole material according to claim 1, wherein: the combination of the nitrile rubber and the alloy particles is carried out in a sole mold.

4. The method for preparing a wear-resistant sole material according to claim 1, wherein: in the vulcanization process of the butadiene-acrylonitrile rubber, the polyisocyanate adhesive is uniformly coated on the surface of the butadiene-acrylonitrile rubber.

5. The method for preparing a wear-resistant sole material according to claim 1, wherein: and pressing the nitrile rubber and the alloy particles to form a pressed compact, and firing and dewaxing the pressed compact under the condition of introducing hydrogen in vacuum.

Technical Field

The invention relates to the technical field of new materials, in particular to a preparation method of a wear-resistant sole material.

Background

In the process of walking or moving on the road surface, because the material problem of shoes self of wearing, shoes can take place more friction with the road surface between, when shoes are of bad quality, can take place to fall down and cause the injury to the human body, can make muscle, bone receive the damage when serious, can cause the death accident even, consequently, the antiskid wear resistance of sole just seems to be especially important, it is thus visible, design a excellent in use effect and have the sole material of good antiskid wear resistance, it is urgent need to present new material field.

Disclosure of Invention

In view of the above, the present invention aims to provide a method for preparing a wear-resistant sole material, so as to solve the problems in the prior art.

The invention is realized by the following technical scheme:

a preparation method of a wear-resistant sole material comprises nitrile butadiene rubber and tungsten-cobalt alloy particles, and comprises the following steps:

mixing nitrile rubber by an open mill and a calendering machine for 1 hour to prepare a rubber material, vulcanizing the rubber material by a flat vulcanizing machine, heating and pressurizing by a hot vulcanization method to obtain a rubber product with compact structure, no bubbles and smooth surface;

weighing tungsten powder, pushing the tungsten powder into conventional carbonization equipment, introducing hydrogen to carry out carbonization at the low temperature of 1400 ℃, brushing, crushing and screening to prepare tungsten carbide powder, reducing cobalt oxide by utilizing the hydrogen in a direct-heating four-tube electric furnace at the temperature of 600 ℃ to prepare cobalt powder, screening the reduced cobalt powder by a screening machine (100 meshes and 200 meshes), and finally sealing and storing the prepared tungsten carbide powder and the cobalt powder by carbon dioxide;

mixing tungsten carbide powder and cobalt powder, pouring the mixture into a rolling ball mill, adding an alcohol wet grinding medium for rolling ball milling, controlling the rotating speed of the rolling ball mill at a critical point of 60-75%, wherein the grinding time is 16-22 hours, the ball-material ratio is 3:1:5:1, the ball diameter is 5-10 mm, the liquid-solid ratio is 500 ml per kg, pumping the mixed slurry after wet grinding into a spray drying tower for drying, and sieving the dried slurry (50-80 meshes);

cutting the hard alloy by an alloy finished product cutter, repairing a special length cutter, crushing by an alloy universal crusher to ensure that the grain diameter of the hard alloy reaches 12-20 meshes, heating the surface of alloy particles to 1200 ℃ at the critical transition temperature lower than the melting point at the speed of 1012 ℃ per second by using a cross flow carbon dioxide laser, and rapidly quenching at the speed of 106 ℃ to ensure that fine alloy carbide is separated out to the surface of an alloy matrix to ensure that the alloy matrix presents a firmly combined composite material coating;

cleaning the surface of the alloy particles by using acetone, removing oil stains, naturally airing for 10-30 minutes, removing rust on the surface of the alloy particles by adopting a sand blasting process, uniformly coating a polyisocyanate adhesive on the surface of the alloy particles, drying for 30-40 minutes under the conditions that the temperature is 15-30 ℃ and the relative humidity of air is not more than 75%, and repeating the operation once on the surface of the alloy particles, wherein the thickness of the coating of the adhesive is 50 mm;

alloy particles after the doping treatment in the vulcanization of the latex are generally mixed in the forefoot and heel outer sides, and the alloy particles are doped in a proportion of 10 g per shoe sole.

Further, before the alloy particles are combined with the butadiene-acrylonitrile rubber, the surfaces of the alloy particles are modified by carbon dioxide laser, and the surfaces of the alloy particles are subjected to surface treatment by a sand blasting process, so that certain cleanliness and roughness of the surfaces of the alloy particles are obtained.

Further, the combination of the nitrile rubber and the alloy particles is carried out in a sole mold.

The invention has the beneficial effects that:

1. the sole material prepared by the method improves the wear resistance of the material by adding the alloy particles into a single rubber material, because the wear resistance of the rubber is far lower than that of the wear-resistant alloy, but the rubber has good toughness and plasticity and excellent impact resistance, and the rubber are combined into a composite material, so that the advantages of the rubber and the rubber can be fully exerted, and the sole material has stronger wear resistance and impact resistance.

2. The sole material prepared by the method has the advantages that the structure density, the hardness and the wear resistance of the alloy particles are high through the high-speed heating and high-speed cooling technology, the fatigue performance of the alloy particles is improved, and the overall performance of the alloy particles can be greatly improved by modifying the surfaces of the alloy particles in such a way.

In short, the technical scheme of the application solves the problems in the traditional technology by using a coherent and compact structure.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention presented herein is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numerals and letters refer to like items in the following, and thus, once an item is defined in one, it need not be further defined and explained in the following.

In the above description of the present invention, it should be noted that the terms "one side", "the other side", and the like, indicate orientations or positional relationships based on the illustrated orientations or positional relationships, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.

The invention provides a technical scheme that: a preparation method of a wear-resistant sole material comprises nitrile butadiene rubber and tungsten-cobalt alloy particles, and comprises the following steps:

mixing nitrile rubber by an open mill and a calendering machine for 1 hour to prepare a rubber material, vulcanizing the rubber material by a flat vulcanizing machine, heating and pressurizing by a hot vulcanization method to obtain a rubber product with compact structure, no bubbles and smooth surface;

weighing tungsten powder, pushing the tungsten powder into conventional carbonization equipment, introducing hydrogen to carry out carbonization at the low temperature of 1400 ℃, brushing, crushing and screening to prepare tungsten carbide powder, reducing cobalt oxide by utilizing the hydrogen in a direct-heating four-tube electric furnace at the temperature of 600 ℃ to prepare cobalt powder, screening the reduced cobalt powder by a screening machine (100 meshes and 200 meshes), and finally sealing and storing the prepared tungsten carbide powder and the cobalt powder by carbon dioxide;

mixing tungsten carbide powder and cobalt powder, pouring the mixture into a rolling ball mill, adding an alcohol wet grinding medium for rolling ball milling, controlling the rotating speed of the rolling ball mill at a critical point of 60-75%, wherein the grinding time is 16-22 hours, the ball-material ratio is 3:1:5:1, the ball diameter is 5-10 mm, the liquid-solid ratio is 500 ml per kg, pumping the mixed slurry after wet grinding into a spray drying tower for drying, and sieving the dried slurry (50-80 meshes);

cutting the hard alloy by an alloy finished product cutter, repairing a special length cutter, crushing by an alloy universal crusher to ensure that the grain diameter of the hard alloy reaches 12-20 meshes, heating the surface of alloy particles to 1200 ℃ at the critical transition temperature lower than the melting point at the speed of 1012 ℃ per second by using a cross flow carbon dioxide laser, and rapidly quenching at the speed of 106 ℃ to ensure that fine alloy carbide is separated out to the surface of an alloy matrix to ensure that the alloy matrix presents a firmly combined composite material coating;

cleaning the surface of the alloy particles by using acetone, removing oil stains, naturally airing for 10-30 minutes, removing rust on the surface of the alloy particles by adopting a sand blasting process, uniformly coating a polyisocyanate adhesive on the surface of the alloy particles, drying for 30-40 minutes under the conditions that the temperature is 15-30 ℃ and the relative humidity of air is not more than 75%, and repeating the operation once on the surface of the alloy particles, wherein the thickness of the coating of the adhesive is 50 mm;

alloy particles after the doping treatment in the vulcanization of the latex are generally mixed in the forefoot and heel outer sides, and the alloy particles are doped in a proportion of 10 g per shoe sole.

Preferably, before the alloy particles are combined with the butadiene acrylonitrile rubber, the surfaces of the alloy particles are modified by using carbon dioxide laser, and the surfaces of the alloy particles are subjected to surface treatment by using a sand blasting process, so that certain cleanliness and roughness are obtained on the surfaces of the alloy particles, the mechanical property of the alloy particles after operation is improved, the fatigue resistance of the alloy particles is further improved, the adhesive force between the alloy particles and the butadiene acrylonitrile rubber is enhanced, and the combination of the alloy particles and the butadiene acrylonitrile rubber is firmer.

Preferably, the combination of the nitrile rubber and the alloy particles is carried out in a sole mould.

Wherein the technical parameters of the alloy particles are as follows:

serial number	Index name	Technical parameters	Description of the invention
				1	Proportion of hard alloy	92.5％WC+7.5％Co
2	Color and luster	Silver ash
				3	Particle size	12-20 mesh
4	Specific gravity of	14.7g/cm3
				5	Hardness of	90-90.5HRA
6	Bending strength	≥2200N/mm2
				7	Porosity of	A02BOOCOO

Wherein, the technical indexes of the mechanical properties of the sole are as follows:

serial number	Index name	Technical index	Description of the invention
				1	Folding endurance	≤15.0
2	Hardness of	55-70HRA
				3	Peel strength	≥70N/cm

Wherein, the sole special function technical index is as follows:

serial number	Index name	Technical parameters	Description of the invention
				1	Wear resistance	≤13.0mm
2	Non-skid property	The antiskid coefficient is more than or equal to 0.15
				3	Heat resistance	50℃
4	Cold-resistant	-30℃
				5	Antibacterial property	＞99％
6	Mildew resistance rating	0
				7	Bonding strength of alloy and rubber	≥20N/cm
8	Alloy spalling condition	0

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.